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248055108 = 223719155423
BaseRepresentation
bin11101100100100…
…00010101000100
3122021202111122020
432302100111010
51002000230413
640340403140
76101301510
oct1662202504
9567674566
10248055108
11118025524
126b0a64b0
133c511392
1424d31140
1516b9cc23
hexec90544

248055108 has 48 divisors (see below), whose sum is σ = 696299520. Its totient is φ = 67142304.

The previous prime is 248055083. The next prime is 248055113. The reversal of 248055108 is 801550842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76116 + ... + 79307.

It is an arithmetic number, because the mean of its divisors is an integer number (14506240).

Almost surely, 2248055108 is an apocalyptic number.

248055108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

248055108 is an abundant number, since it is smaller than the sum of its proper divisors (448244412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

248055108 is a wasteful number, since it uses less digits than its factorization.

248055108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155456 (or 155454 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 248055108 is about 15749.7653315851. The cubic root of 248055108 is about 628.3226633772.

The spelling of 248055108 in words is "two hundred forty-eight million, fifty-five thousand, one hundred eight".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 57 76 84 114 133 228 266 399 532 798 1596 155423 310846 466269 621692 932538 1087961 1865076 2175922 2953037 3263883 4351844 5906074 6527766 8859111 11812148 13055532 17718222 20671259 35436444 41342518 62013777 82685036 124027554 248055108